CN105356407A - Waterproof cable joint of shoal water zone and connection method of joint - Google Patents
Waterproof cable joint of shoal water zone and connection method of joint Download PDFInfo
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- CN105356407A CN105356407A CN201510777648.4A CN201510777648A CN105356407A CN 105356407 A CN105356407 A CN 105356407A CN 201510777648 A CN201510777648 A CN 201510777648A CN 105356407 A CN105356407 A CN 105356407A
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- cable
- poling
- joint
- waterproof connector
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Abstract
The invention discloses a waterproof cable joint of the shoal water zone and a connection method of the joint. The waterproof cable joint comprises a casing, a combination surface is provided with a sealant pad and a sealant, the casing comprises a spherical part, a flange part and a pipe through part, the spherical part and the flange part serve as stamping pieces, the top of the spherical part is provided with a punched hole, an external port of the pipe through part is provided with a threaded structure and a tapered hole, the conicity of the tapered hole is controlled between 5 and 20 degree, the effective inclined-surface length is no lower than 5cm, a sealing sleeve comprises a conical segment and a cylindrical segment, the hardness of the cylindrical segment is greater than that of the conical segment, and inside threads of a threaded sleeve cooperate with outside threads of the pipe through position. The invention also discloses a connection method of the joint. According to the invention, the comprehensive waterproof performance is excellent, the cooperation effect in the flange connection position and the pipe through connection position is good, using requirements for the shoal water zone are completely satisfied, and the joint is especially suitable for cables whose depth lower than 5m and immersion time less than 1 year.
Description
Technical field
This invention relates to a kind of cable joint construction applications, specifically a kind of phytal zone Waterproof connector of cable and method of attachment.
Background technology
China's rivers and lakes are more, under the geographical environment that some are special, wherein relate to the problem of shallow water area cable laying, in current process of deployment, select the cable of whole to lay as far as possible, cause laying costly.
Especially, after the cable at the bottom destroys, because current fix tool and means are not enough to ensure that again the part of joint does not seep water for a long time, therefore, when needing to change, overall replacing is normally carried out.
In addition, in the field such as navigation, sailing device on water, the problem of cable joint is also more outstanding, such as, in cable repair process, also needs seal nipple of good performance to connect, to ensure the unfailing performance used.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of private cable joint, little for hydraulic pressure, the general satisfaction degree of depth is no more than the cable joint in the diving region of 5 meters, overall performance will meet 10 years, 20 years impermeable problems, and will connect reliable.Meanwhile, the present invention also disclosed the method for attachment that this kind of joint carries out connecting.
The technical solution adopted for the present invention to solve the technical problems is:
Phytal zone Waterproof connector of cable, is characterized in that: comprise
Be symmetrical arranged for a pair and pass through docking formation one for holding the housing of joint area, and arranging seal gasket and fluid sealant at faying face place, wherein, described housing entirety is hemisphere, comprises spherical portion, flange portion and poling portion; Described spherical portion and flange portion adopt corrosion resistant sheet metal integrated punching shaping,
Be furnished with bolt hole uniformly in the circumference of described flange portion, and punching press form muscle columnar structure outwardly between adjacent bolt hole, the muscle columnar structure of arc towards the side of expanding of housing,
Be provided with a circular punching at the top of spherical portion, and outside the spherical portion that punching is corresponding, be provided with a poling portion, wherein the wall thickness in poling portion is at least 1 centimetre, and in the process that cable passes, the self-expanding amount in poling portion is less than 1 micron; And be provided with reinforcement in the outside in poling portion,
The external port in poling portion is provided with helicitic texture and taper closing in, wherein helicitic texture is arranged on outer surface position, for coordinating with the thread bush of locking, taper is closed up and is arranged on through hole end, wherein, the mould taper control that described taper is closed up is between 5 degree to 20 degree, and effective chamfer length is not less than 5 centimetres
Adopt the sealing shroud of quality of rubber materials or silica gel material, comprise conical section and cylindrical section, wherein, conical section outer surface is smooth surface, and tapering closes up equal with described taper, and is with at least two concentric rings at inner surface, wherein, the hardness of cylindrical section is greater than the hardness of conical section;
For being arranged on the thread bush of poling portion external port, thread bush internal whorl coordinates with the external screw thread at poling place, outside is hexagon operating space, and the side near outer end is provided with a stair-stepping closing in, and the diameter of closing in internal diameter size and cable adapts.
Further, the best angle that described taper is closed up is 10 degree.
Further, the medium position in poling portion also arranges a hexagonal boss, forms the position of wrench operated.
Further, the rising height of concentric ring controls at 1 to 2 millimeter, can be nested with and form labyrinth sealing on cable.
Further, the hardness of described conical section is in Shore hardness 80, and the hardness of cylindrical section is in Shore hardness 100.
Further, the binding site use hardness wherein between cylindrical section and conical section is, and arranges the groove of a circular arc at connecting portion inner surface.
Further, an annular flanging is formed in the outside of flange portion.
Further, described sheet metal is copper coin, corrosion resistant plate or clad metal sheet.
Further, the effective width of described flange portion is 3 centimetres.
Phytal zone Waterproof connector of cable method of attachment, prepares water joint, then proceeds as follows:
First by cable from thread bush, sealing shroud, poling portion successively outside to inside, then carry out the wiring of cable, welding job, tie point is now positioned within the relative space of two housings;
Then close up, first two housings are closed up, and in cavity, throw in moisture adsorbent, then seal gasket is set at a ring flange place of company, and break fluid sealant in the both sides of rubber cushion, use bolt to carry out fastening, unnecessary glue is filled among muscle columnar structure, and the sealing ring of excessive formation ring-type, wherein the prestressing force of bolt is arranged between 100 to 150N.m;
Again the sealing shroud of both sides is tucked in the end tapered sleeve of poling, uses spanner that the thread bush of side and poling portion is fastening, in like manner, carry out another and organize the fastening of thread bush;
Maintenance a few hours, after glue to be sealed parches completely, at outer side covers one deck rubber coated film of whole joint, namely complete relevant work.
The invention has the beneficial effects as follows that at least there is following characteristic:
1, comprehensive waterproof capability is excellent, all defines good fiting effect, meet the instructions for use of shallow water area completely in flange connections, poling junction, especially can meet that the degree of depth is no more than 5 meters, soak time is no more than the cogging problem of the cable of 1 year.
2, bulk strength is high, wherein uses special reinforcement, intensive treatment at expansive positions such as flange, poling places, ensures long-term sealing property.
3, innerly fill water absorbing agent, ensure innerly to be in a dry environment, especially cable joint is in a dry environment, ensures the use safety of cable, makes environment for use better.
4, the application of different metal, the hot spot that electrochemical reaction is produced is positioned at outside poling, avoids the damage at housing position.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is end view.
Fig. 4 is A--A cutaway view in Fig. 3.
Fig. 5 is the stereogram of sealing shroud.
Fig. 6 is the further evolution schematic diagram of Fig. 1.
In figure: 1 housing, 11 spherical portion, 12 flange portion, 121 bolts hole, 122 muscle columnar structures, 13 poling portions, 131 tapers are closed up, 132 helicitic textures, 2 sealing shrouds, 21 conical sections, 211 concentric rings, 22 cylindrical sections, 23 grooves, 3 thread bushs, 31 close up, 4 seal gaskets, 5 moisture adsorbents, 6 sealing rings, 7 cables.
Embodiment
As shown in Figures 1 to 6, for existing defect, protection main body of the present invention is as follows:
What develop is the cable joint problem used in a kind of cable maintenance for phytal zone, maintenance process, for solving the seepage problem occurred in this process, ensures the useful life of at least 20 years.
Its basic principle is, uses the steel shell of a pressure-bearing to make, and the means such as integrated application labyrinth seal, bonding agent sealing, mechanical seal, omnibearing protection is carried out to this joint, meets instructions for use.
Based on above-mentioned description, concrete implementation is as follows:
Two pairs of symmetrically arranged housings 1, wherein this housing entirety is hemisphere, comprises spherical portion 11, flange portion 12 and poling portion 13.Wherein, spherical portion and flange portion integrated punching shaping, due at the bottom, generally adopt copper coin, corrosion resistant plate or other steel plates that should not corrode to make, water-bed complex environment can be adapted to, clad metal sheet also can be adopted to make.The effective width of flange portion 12 is 3 centimetres, and be furnished with bolt hole 121 uniformly in circumference, wherein the precision of bolt hole is higher, and does not allow to occur burr.Between adjacent bolt hole, punching press also forms muscle columnar structure 122 outwardly, muscle columnar structure 122 towards the end that expands of housing, and is arc, along flange circumferentially, has the effect of two aspects at least, one is form reinforced structure, that is, form strengthening at flange, improve bulk strength, prevent from forming large-scale tympanites, and play special effect in the sealing stage, realize long-term sealing property.
Further, as Fig. 6, form an annular flanging 123 in the outside of flange (portion), it has two effects, and one is the intensity strengthening flange, and two is play special effect in the sealing stage, realizes long-term sealing property.
A circular punching is provided with at the top of spherical portion 11, this punching is integrated, and welds a poling, forms above-mentioned poling portion 13, and be provided with reinforcement in the outside in poling portion, poling adopts the structure consistent with spherical portion material, such as copper pipe, stainless steel tube etc., forms one by the technique of welding, wherein the wall thickness of poling is at least 1 centimetre, to ensure enough intensity, ensure in the process of passing at cable, the self-expanding amount of poling is less than 1 micron.Above-mentioned pad should uniformity, and ensures enough weld strengths.
The external port of poling (portion) is provided with helicitic texture 132 and taper closing in 131, wherein helicitic texture is arranged on outer surface position, for coordinating with the thread bush of locking, taper is closed up and 131 is arranged on end, wherein this taper close up 131 mould taper control between 5 degree to 20 degree, the angle of the best, such as 10 degree, and effective chamfer length is not less than 5 centimetres, by extending path, best sealing effectiveness can be reached.
Also arrange a hexagonal boss 133 at the medium position of poling (portion), the effect of this boss is the position forming wrench operated.Considering the convenient function when constructing, carrying out above-mentioned setting.
Sealing shroud 2, wherein the structure of sealing shroud is as follows: adopt quality of rubber materials or silica gel material, be conical on the whole, comprise conical section 21 and cylindrical section 22, wherein, conical section 21 outer surface is smooth surface, tapering closes up equal with poling taper above, and is the structure with multiple concentric rings 11 at inner surface, wherein, concentric rings 11 is uniformly distributed, the rising height of concentric ring controls at 1 to 2 millimeter, can be nested with on cable, and is formed with the crust of cable and coordinate, form labyrinth sealing, ensure not seep water herein.Cylindrical section 22 is compacting position, wherein, the hardness of cylindrical section is greater than the hardness of conical section, that is, sealing cover is a composite construction, and the hardness of conical section 21 is in Shore hardness 80, the hardness of cylindrical section 22 is in Shore hardness 100, form good sealing effectiveness by different hardness, wherein conical section has enough flexibilities to ensure sealing property, and makes.
Further, binding site wherein between cylindrical section and conical section uses hardness in 70 (Shore hardness) left and right, and the groove 23 of a circular arc is set at connecting portion inner surface, form a stress breach, under ambient pressure, there is the distortion of local herein, make the mating surface of sealing shroud and cable finer and close, form good sealing effectiveness.
Thread bush 3, internal whorl coordinates with the external screw thread at poling place, outside is hexagon, and the side near outer end is provided with a stair-stepping closing in 31, closing in place is smooth inner surface and section, and the diameter of internal diameter size and cable adapts, be nested with in advance on cable, can be pressed in use on sealing shroud end face, form pretension, and prevent from occurring between the two loosening.
Using method is as follows: first by thread bush 3, sealing shroud 2, successively through cable 7 in poling, then the wiring of cable 7 is carried out, welding job, form tie point, tie point is now positioned within the relative space of two housings, then close up, first two housings are closed up, and in cavity, throw in moisture adsorbent 5 (being often applied in the making of vacuum glass), then seal gasket 4 is set at a ring flange place of company, and break fluid sealant in the both sides of rubber cushion, bolt is used to carry out fastening, in fastening process, fluid sealant can form sealing effectiveness between, unnecessary glue is filled among muscle columnar structure, and the sealing ring 6 of excessive formation ring-type, appearance as shown in Figure 6, then bolt is used to carry out fastening formation one, wherein the prestressing force of bolt is arranged on about 100 to 150N.m, during pretension, use two spanners, the hexagonal boss on poling fixed by spanner, another spanner acts on thread bush, both hands operate, then air-dry, again the sealing shroud of both sides is tucked in the end tapered sleeve of poling, use spanner by the thread bush of side and poling fastening, in like manner, carry out the fastening of another group thread bush.
Maintenance a few hours, after glue to be sealed parches completely, at outer side covers one deck rubber coated film of whole joint, namely complete relevant work.
Above-mentioned rubber coated film, meets long-term impermeable requirement, and alleviates the impact at current butt joint position.
Embodiment two, as developing further, above-mentioned housing adopts composite alloy plate to make, and improves overall intensity.
Such as, housing parts adopts copper, stainless steel clad plate, and wherein copper coin is positioned at outside, and corrosion resistant plate is positioned at inner side.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection range as determined in claims of the present invention.
Claims (10)
1. phytal zone Waterproof connector of cable, is characterized in that: comprise
Be symmetrical arranged for a pair and pass through docking formation one for holding the housing (1) of joint area, and seal gasket and fluid sealant are set at faying face place, wherein, described housing entirety is hemisphere, comprises spherical portion (11), flange portion (12) and poling portion (13); Described spherical portion and flange portion adopt corrosion resistant sheet metal integrated punching shaping,
Be furnished with bolt hole (121) uniformly in the circumference of described flange portion, and punching press form muscle columnar structure (122) outwardly between adjacent bolt hole, the muscle columnar structure (122) of arc towards the side of expanding of housing,
A circular punching is provided with at the top of spherical portion (11), and outside the spherical portion that punching is corresponding, be provided with a poling portion, wherein the wall thickness in poling portion is at least 1 centimetre, and be provided with reinforcement in the outside in poling portion, in the process that cable passes, the self-expanding amount in poling portion is less than 1 micron;
The external port in poling portion is provided with helicitic texture (132) and taper closing in (131), wherein helicitic texture is arranged on outer surface position, for coordinating with the thread bush of locking, taper closing in (131) is arranged on through hole end, wherein, the mould taper control of described taper closing in (131) is between 5 degree to 20 degree, and effective chamfer length is not less than 5 centimetres
Adopt the sealing shroud (2) of quality of rubber materials or silica gel material, comprise conical section (21) and cylindrical section (22), wherein, conical section (21) outer surface is smooth surface, tapering close up with described taper (131) equal, and be with at least two concentric rings (211) at inner surface, wherein, the hardness of cylindrical section is greater than the hardness of conical section;
For being arranged on the thread bush (3) of poling portion external port, thread bush (3) internal whorl coordinates with the external screw thread at poling place, outside is hexagon operating space, and the side near outer end is provided with a stair-stepping closing in (31), the diameter of (31) the internal diameter size that closes up and cable adapts.
2. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, the best angle that described taper is closed up is 10 degree.
3. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, the medium position in poling portion also arranges a hexagonal boss (133), forms the position of wrench operated.
4. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, the rising height of concentric ring controls at 1 to 2 millimeter, can be nested with and form labyrinth sealing on cable.
5. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, the hardness of described conical section (21) is in Shore hardness 80, and the hardness of cylindrical section (22) is in Shore hardness 100.
6. phytal zone according to claim 5 Waterproof connector of cable, it is characterized in that, binding site wherein between cylindrical section and conical section uses hardness to be (70), and arranges the groove (23) of a circular arc at connecting portion inner surface.
7. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, forms an annular flanging (123) in the outside of flange portion.
8. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, described sheet metal is copper coin, corrosion resistant plate or clad metal sheet.
9. phytal zone according to claim 1 Waterproof connector of cable, is characterized in that, the effective width of described flange portion (12) is 3 centimetres.
10. the method for attachment of phytal zone Waterproof connector of cable, is characterized in that, prepares the water joint described in any one in a set of claim 1 to 9, then proceeds as follows:
First by cable from thread bush (3), sealing shroud (2), poling portion successively outside to inside, then carry out the wiring of cable (7), welding job, tie point is now positioned within the relative space of two housings;
Then close up, first two housings are closed up, and in cavity, throw in moisture adsorbent (5), then seal gasket (4) is set at a ring flange place of company, and break fluid sealant in the both sides of rubber cushion, use bolt to carry out fastening, unnecessary glue is filled among muscle columnar structure, and the sealing ring 6 of excessive formation ring-type, wherein the prestressing force of bolt is arranged between 100 to 150N.m;
Again the sealing shroud of both sides is tucked in the end tapered sleeve of poling, uses spanner that the thread bush of side and poling portion is fastening, in like manner, carry out another and organize the fastening of thread bush;
Maintenance a few hours, after glue to be sealed parches completely, at outer side covers one deck rubber coated film of whole joint, namely complete relevant work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777648.4A CN105356407B (en) | 2015-11-13 | 2015-11-13 | Phytal zone Waterproof connector of cable and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777648.4A CN105356407B (en) | 2015-11-13 | 2015-11-13 | Phytal zone Waterproof connector of cable and connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105356407A true CN105356407A (en) | 2016-02-24 |
| CN105356407B CN105356407B (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777648.4A Active CN105356407B (en) | 2015-11-13 | 2015-11-13 | Phytal zone Waterproof connector of cable and connection method |
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| Country | Link |
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| CN (1) | CN105356407B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514900A (en) * | 2017-10-13 | 2017-12-26 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN113629649A (en) * | 2021-08-06 | 2021-11-09 | 中天科技海缆股份有限公司 | Floating photovoltaic power station |
| CN117559343A (en) * | 2024-01-11 | 2024-02-13 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04197016A (en) * | 1990-11-28 | 1992-07-16 | Daiichi Gijutsu Sangyo Kk | Structure of temporary reconnection part of cable |
| JP2009136039A (en) * | 2007-11-28 | 2009-06-18 | Sumitomo Wiring Syst Ltd | Water-proofing method of splice portion and wire harness equipped with water-proof splice portion |
| CN202019063U (en) * | 2010-12-20 | 2011-10-26 | 山东科技职业学院 | Waterproof wire joint |
| CN104682323A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Armored cable small-diameter bent spherical regulating device based on single convex ring |
| CN104682324A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Armored cable small-diameter bent spherical regulating device based on elastic ring |
-
2015
- 2015-11-13 CN CN201510777648.4A patent/CN105356407B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04197016A (en) * | 1990-11-28 | 1992-07-16 | Daiichi Gijutsu Sangyo Kk | Structure of temporary reconnection part of cable |
| JP2009136039A (en) * | 2007-11-28 | 2009-06-18 | Sumitomo Wiring Syst Ltd | Water-proofing method of splice portion and wire harness equipped with water-proof splice portion |
| CN202019063U (en) * | 2010-12-20 | 2011-10-26 | 山东科技职业学院 | Waterproof wire joint |
| CN104682323A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Armored cable small-diameter bent spherical regulating device based on single convex ring |
| CN104682324A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Armored cable small-diameter bent spherical regulating device based on elastic ring |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514900A (en) * | 2017-10-13 | 2017-12-26 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN107514900B (en) * | 2017-10-13 | 2023-11-07 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN113629649A (en) * | 2021-08-06 | 2021-11-09 | 中天科技海缆股份有限公司 | Floating photovoltaic power station |
| CN117559343A (en) * | 2024-01-11 | 2024-02-13 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
| CN117559343B (en) * | 2024-01-11 | 2024-05-03 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
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|---|---|
| CN105356407B (en) | 2018-05-08 |
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